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LG Packaged Terminal Air Conditioner/Heat Pump

1. Models LPO70HED1 LPO90HED1 LP120HED1 LP150HED1 Cooling Capacity W 2139 2726 3517 4220 Btu h 7300 9300 12000 14400 Heating Capacity W 1817 2345 3165 3869 Btu h 6200 8000 10800 13200 Electric Heater Capacity W 2000 3700 3700 3700 Power Input Cooling Heating W 630 550 830 690 1155 990 1565 1335 Running Current Cooling Heating 2 5 2 2 3 3 2 7 4 6 3 9 6 2 5 3 Starting Current Cooling Heating WW 3 3 3 2 3 0 2 6 Btu h W 11 6 112 10 4 9 2 COP WW 33 34 32 2 9 Power Supply OIVIHz 1 265 60 1 265 60 1 265 60 1 265 60 Air Flow Rate Indoor Max miG min cfm 8 5 300 8 5 300 12 0 420 12 0 420 Outdoor Max __m G min cfm Moisture Removal 0 9 1 2 1 5 2 0 Sound Level Indoor H M L dB A 3 45 43 45 43 49 47 49 47 Outdoor Max dB A 3 60 58 60 58 63 61 63 61 Refrigerant amp Charge 0 02 R22 625 22 0 R22 730 25 8 R22 970 34 2 R22 890 31 4 Compressor Type Rotaty Non Tropical Rotaty Non Tropical Rotaty Non Tropical Rotaty Non Tropical odel 2R10S276A6C RSM284 2R13S276A6C 2P17S276 PSM312 2K21S276A6C otor Type PSC PSC PSC PSC Oil Type ATMOS M60 SUNISO 46010 ATMOS M60 or SUNISO 46010 ATMOS M60 or SUNISO 4GDID ATMOS M60 or SUNISO 4GDID Oil Charge CC 260 290 350 410 O L P Name Internal Internal Internal Internal Fan Type In Out Cross Flow Fan Axial Fan Cross Flow Fan Axial Fan Cross Flow F
2. Flip the discharge grille 180 then reattach the discharge grille to the front grille with 4 screws 13 2 1 2 CONTROL BOX 1 Remove the front grille Refer to section 2 1 1 2 Remove the two screws which fasten the control box See Figure 2 3 Pull the control box from the Air 4 Remove the control box cover See Figure 3 5 Disconnect wire housings on the control box 6 Pull the control box assembly out from the unit See Figure 4 7 Re install the components by referring to the removal procedure 14 Figure 2 Figure 3 M 5 ad E n 7 De ENT ET UI Jam 9 ET UI zi GE Ep Vi Figure 4 2 2 AIR HANDLING PARTS 2 2 1 HEATER ASSEMBLY AND CROSS FLOW FAN 1 Remove the front grille Refer to section 2 1 1 2 Remove the control box assembly Refer to section 2 1 3 D D 7 pes D a g o z o a gt o lt c o U 2 Mad Do L 2 5 Dr st
3. 8 Concentric amp Knockouts In Bottom Top View Ground Screw Location Receptacle Provided Inside subbase 3 1 16 Accessory Figure 59 Part Location Identification 13 7 8 352 mm 78 mm 20 5 16 515 5 mm E Part Location Identification Bt 6 51 3l al Left Front Cover Gm 51 5 5 lt Right Front Cover Knockouts In Rear 50 mm Front Cord Panel Front View Adjustment Wall Sleeve Hole Location TW Figure 61 Wiring Diagram Skirting Hole Location mim ojojuo Right Cover Assembly NEMA 7 20R Receptacle Wall Sleeve Field Wiring NEMA 7 30R Line Voltage Receptacle 265 VAC Field Schematic Figure 61 NEMA Plug Configurations Voltage Unit Plug Subbase Receptacle 265 e NEMA7 20AMP NEMA7 20AMP 12 11 1 12 265 7 20 12 11 5 265 ho NEMA7 30AMP NEMA7 30AMP 12 L1 L1 B 12 7 20 2 Low Voltage Compartment 43 5 PERFORMANCE DATA Air conditioner and Heat Pump Performance Data LPO70CED1 LPO90CED1 LP120CED1 LP150CED1 LPO70HED1 LP150HED1 LPO9OHED1 LP120HED1 Voltage V 1 265 60 1 265 60 1 265 60 1 265 60 1 265 60 1 265 60 1 265 60 1 265 60 Cooling Data Cool
4. EXTERNAL VACUUM PUMP Ed CHARGING 3 S CYLINDER Figure 17A Pulling Vacuum Figure 17B Charging 20 3 INSTALLATION 3 1 HOW TO INSTALL THE UNIT CAUTION There are sharp edges that can cause serious cuts When lifting the air conditioner it is HEAVY Use 2 people to lift For existing sleeve you should measure the wall sleeve dimensions Install the new air conditioner according to these installation instructions to achieve the best performence All wall sleeves used to mount the new air conditioner must be in good structural condition and have a rear grille that securely attaches to the sleeve or the flange of the sleeve to secure the new air conditioner To avoid vibration and noise make sure the unit is installed securely and firmly When installing the sleeve make certain there is nothing within 20 of the back that would interfere with heat radiation and exhaust air flow strip is provided with the box Refer to the diagram below GRILLE TOP VIEW ROOM CABINET 1 Take out the insulation strip from the upper packing 2 Attach the insulation strip onto the rear upper side of the wall sleeve 3 To improve unit energy efficiency it is recommended the change of outside grille for an unit protection and an addition of a plastic rear grille This is optio
5. COMPLETE LIQUID HOT BOIL OFF POINT COSLLOWFBESSUREVAPOR DISCHARGED COOLED AIR AIR ROOM AIR HEAT LOAD d OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH e OMPRESSOR m E LIQUID PRESSURE LIQUID OUTLET DROP LIQUID REFRIGERANT HIGH PRESSURE VAPOR CAPILLARY TUBE mi B PEFRIGERANT EER LOW PRESSURE VAPOR Figure 63 50 6 3 TROUBLESHOOTING GUIDE In general possible trouble is classified in two causes The one is Starting Failure which is caused from an electrical defect and the other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application Unit is running but cooling is ineffective Ineffective Cooling Check of cold air circulation for smooth flow Dirty indoor coil Heat exchanger Y Malfunction of fan Clogged of air filter Obstruction at air outlet Correct above trouble Check clogging in refrigeration circuit Repair clogging in refrigeration circuit Check of outdoor coil heat exchanger amp the fan Check heat load increase operation Check gas leakage Unexpected residue Repair gas leak Overloaded Circuit
6. r Replacement of unit if the unit is beyond repair Check of inside gas pressure Adjusting of refrigerant charge Malfunction of compressor Replacement of compressor Satisfactory operation with temperature difference of inlet amp outlet air 44 6 50 7 10 C 51 Fails to Start Check power source Check control switch setting Check circuit breaker and fuse Gas leakage of feeler bulb of thermostat Check control switch Only compressor fails to start Drop of power voltage Defect of compressor capacitor Check capacitor Replacement Improper thermostat setting Loose terminal connection 8 Improper wiring Only fan fails to start Improper wiring Y Defect of fan motor capacitor Irregular motor resistance Q Irregular motor insulation Q Y Replacement of fan motor Irregular motor resistance Q Y Irregular motor insulation 0 Replacement of compressor Motor damaged 52 Regular but fails to start Replacement of
7. Heaters Outdoor CR Indoor Fan Fan 9 YS Control Knobs Transformer Status Light gt O ET Ext 2 Ext 1 Fuse Control Board 31 Architecture Grille Aluminum Single Pack Part No AYAGALAO 1 Stamped Aluminum Grille Description Outdoor grilles are attached to the wall sleeve and exposed to the exterior wall The grilles are an industry standard size of 42 x 16 Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt The unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians AN WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Note A baffle kit must not be used with a stamped aluminum grille on
8. Electric heater model only heater assembly See Fig 5 5 Loosen the hexagon screw with the wrench See Fig 6 6 Remove the 4 screws which fasten the indoor See Fig 6 7 7 Re install the components by referring to the motor and the earth wire WA Af AY S e gt 5 000000000 2 2 2 FAN 1 Remove the brace Figure 7 2 Remove the 4 screws which fasten the condenser with the shroud and the basepan 3 Move the condenser sideways carefully 4 Remove the clamp which secures the fan with plier 5 Remove the fan See Fig 8 6 Re install the components by referring to the above removal procedure 15 2 2 3 SHROUD 1 Remove the axial fan Refer to section 2 2 3 2 Remove the 4 screws which fasten the condenser with the shroud and the basepan 3 Remove the shroud 4 Re install the component by referring to the removal procedure 2 3 ELECTRICAL PARTS 2 3 1 OUTDOOR MOTOR 1 Remove the clamp cord and disconnect a wire housing in control box Refer to section 2 1 2 2 Remove the axial fan Refer to section 2 2 3 Figure 9 3 Remove the 2 screws which fasten the motor See
9. Grommets Check grommets if worn or missing replace them Fan If cracked out of balance or partially missing replace it Turbo fan If cracked out of balance or partially missing replace it Loose set screw Tighten it Worn bearings If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace motor 53 COMPLAINT CAUSE REMEDY Compressor will not run but fan motor runs Voltage Check voltage See the limits on the preceding page If not within limits call an electrician Wiring Check the wire connections if loose repair or replace the terminal If wires off refer to wiring diagram for identification and replace Check wire locations If not per wiring diagram correct Rotary Check for continuity refer to the wiring diagram for terminal identification Replace the switch if circuit is open Thermostat Check the position of knob If not at the coldest setting advance the knob to this setting and restart unit Check continuity of the thermostat Replace thermostat if circuit is open Capacitor Discharge capacitor before Check the capacitor Replace if not within 10 of manufacturers servicing rating Replace if shorted open or damaged Check the compressor for open circuit or ompressor ground If open or grounded replace th
10. Model Room Air Room Air LPO70CED1 LPOSOCED1 LP120CED1 LP150CED1 LPO7OHED LPO9OHED1 LP120HED1 LP150HED1 Dry Wet _ Temperature Across Temperature Across Temperature Across Temperature Across Temperature Across Temperature Across Temperature Across Temperature Across Bulb Bulb Indoor Coil AT IndoorCoil aT Indoor Col AT IndoorCoil AT Indoor AT Indoor Coil AT Indoor Col AT Indoor Coil AT Min Max Min Max Min Min Min Max Min Max Min Max Min Max Rating Btu h 7450 7750 8750 9050 11650 11950 13850 14150 7150 7450 9150 9450 11850 12150 14250 14550 Rating CFM 185 225 230 260 300 330 315 355 185 225 230 260 300 330 315 355 85 1 3 2 6 1 5 1 4 1 3 2 6 1 5 1 4 90 80 8 18 11 14 9 18 8 12 8 13 11 14 9 13 8 12 75 19 22 19 22 18 22 16 20 19 22 19 22 18 22 16 20 70 30 33 28 30 26 30 25 27 30 33 28 30 26 30 25 27 75 9 14 1 14 9 18 8 12 9 14 11 14 9 18 8 12 70 18 21 18 20 15 20 15 18 18 21 18 20 15 20 15 18 ut 65 26 29 24 27 23 26 21 24 26 29 24 27 23 26 2 24 60 35 36 32 33 29 33 29 30 35 36 32 33 29 33 29 30 65 12 15 12 14 9 18 9 13 12 15 12 14 9 18 9 18 70 60 17 20 16 18 13 17 13 17 17 20 16 18 13 17 13 17 55 22 24 20
11. 22 3 2 1 WALL SLEEVE INSTALLATION 22 3 2 2 PREPARATION OF FRONT GRILLE 23 3 2 3 UNIT 24 3 3 ELECTRICAL REQUIREMENTS 27 3 3 1 ELECTRICAL DATA FOR 230V 208 MODEL 27 3 3 2 ELECTRICAL SAFETY 27 4 FIELD INSTALLED ACCESSORIES 5 FERFORMANCE 44 6 TROUBLESHOOTING GUIDE 6 1 OUTSIDE 50 6 2 PIPING 50 6 3 TROUBLESHOOTING GUIDE 51 7 SCHEMATIC DIAGRAM 56 8 EXPLODED VIEW cecnne 57 This SERVICE MANUAL provides various service information including the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict quality control system The refrigerant is charged at the factory Be sure to read the safety precautions prior to servicing the unit 1 1 SPECI FICATIONS LP 120 C EM 1 12 345 6 7 8 9 Digits 1 2 LG Packaged Terminal Air Conditioner Digits 3 4 Unit Cooling Capacity Digit 6 Product Type Air Conditoner 07 7 000 Btu h H Heat Pump 09 9 000 Btu h Digit 7 Elect
12. 4 EDGE ADJUSTABLE FRAMING TO SECURE THIS DIMENSION 42 1 4 _____________ gt JACK STUD CRIPPLE FINISHED FLOOR SUB FLOOR Note Do not remove the stiffener support from inside the wall case until the chassis is to be installed Figure 18 FASTENING WALL CASE MAIN STUDS MOUNTING SCREW HOLE NO HOLES PERMITTED IN BOTTOM OF CASE NO HOLES PERMITTED IN BOTTOM OF CASE JACK STUD MAIN STUD Framing detail for this construction is as shown in Figure 1 Note use of lintel under first course of brick above theZoneline case Choice of attachment devices Do not use the case as alintel Mounting screw through both ends of case or thetop holes shown are tobe made by the installer Mounting screw holes and attachment devices by installer Figure 19 AY LNA SLVNYSL1V ALINGNOD AlddNAS xx1nvo Oz vu 3sva ans J0U93X3 pue sonau y sulof T 3 lle ese lem JO 4a1auuuad AINED amp TANNVHD JAIS JSV TIVM q9 uooaino YATIVLSNI 3355 ONILNNOW TALNIT po32euuo eseg qns 40193X3 pue sutof 31 Ano le ese Jo jne2 l3duvo 30 dOL HO uOO 14 Q3HSINIJ SHAHLO Ag J1oVL1d323U TIVM LINGNOD 5 HAMOd 2 30 dOl 30013 Q3HSINIJ 3SVO TIVM 1 YATIVLSNI
13. Lift upward being careful not to pinch heater wires Figure 28 Figure 28 Mounting Screws 5 Place coil cover on top of the evaporator coil with flanges pointing down Make sure cover is over entire top of coil Figure 28 6 Position the short end of the condensate tube through the back wall of the partition panel using existing hole The condensate tube should protrude through the partition panel by 1 3 4 inches Rotate the condensate tube so the tube lays flat on the coil cover Figures 28 amp 29 29 Figure 29 11 Place the pump bracket onto the of the pump by feeding the pump cord through the hole in the bracket and pushing the bracket onto the threads of the pump Slide the supplied washer onto the threads of the pump Screw the pump nut onto the threads of the pump and tighten the nut so that the bracket is secure against the pump Figure 32 Figure 32 Position the condensate tube through existing hole located right side of blower deck 8 Make sure the holes in the condensate tube are facing inward toward the blower wheel 9 Lower the discharge deck over the condensate tube and screw the discharge deck to the chassis with the existing screws Replace the discharge screen and screw the screen to the discharge deck with the existing screws 10 Using the overflow tube holder and the overflow tube hold the tube with the metal holder and screw the holder to the partition pane
14. Cross Flow Fan Axial Fan Motor Type 4 POLES 4 POLES 4 POLES 4 POLES Motor OutputW 50 50 50 50 Power Supply Cable No mm 321 321 3 2 1 3 2 1 Dimension W H D mm 1066 406 505 1066 406 505 1066 406 505 1066 406 505 inch 42 16 19 7 8 42 16 19 7 8 42 16 19 7 8 42 16 19 7 8 Net Weight Indoor kg lbs 39 8 88 39 3 87 42 5 94 46 3 102 Tool Code Chassis YA YA YA YA Functions Temperature Control Thermistor Thermistor Thermistor Thermistor Energy Saver Switch Prefilter washable anti fungus 0 Plasma Filter Steps Fan Cool Heat 2 2 2 2 2 2 2 2 2 2 2 2 Airflow Direction Control up amp down Manual Manual Manual Manual Airflow Direction Control left amp right d Remocon Type Setting Temperature Cooling 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C Range Heating 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C 54 F 86 F 12 27C 30 C 54 F 86 F 12 20 30 C Auto Operation Micom Control Panel Touch Type Micom Micom Micom Micom Timer 12h On Off 12h On Off 12h On Off 12h On Off Air Discharge Rear Rear Rear Rear Air Ventilation 0 9 Device Control Defrost Hot Start d Look L Look L Look L Look L Look Cabinet Type Chassis Type Special Function Electric Heater Electric Heater Electric Heater Electric Heater Zg
15. 22 18 21 17 21 22 24 20 22 18 21 7 21 46 Heating Change of Temperature Heat Pumps Cooling Ampere Chart Air conditioners and Heat Pumps Model Room Room Air LPO70HED1 LPO90HED1 LP120HED1 LP150HED1 Dry Wet Temperature Across Temperature Across Temperature Across Temperature Across Bulb Bulb Indoor Coil AT Indoor Coil AT Indoor Coil AT Indoor Coil AT Min Max Min Max Min Max Min Max Rating Btu h 6100 6300 7900 8100 10700 10900 13100 13300 Rating CFM 220 250 260 290 330 360 350 390 85 22 24 24 27 27 30 28 30 50 75 24 25 26 29 29 32 30 3 65 26 27 28 30 31 34 32 33 85 19 22 22 24 24 29 27 30 45 75 21 24 24 26 26 30 29 31 65 23 25 25 28 28 32 31 33 85 17 20 20 22 23 27 27 30 40 75 19 22 22 24 24 29 29 31 65 21 24 24 25 26 30 31 33 47 Cond Inlet Air Model Model Model Model Model Model Model Model Temperature LPO70CED1 LPO90CED1 LP120CED1 LP150CED1 LPO7OHED1 LPO9OHED1 LP120HED1 LP150HED1 Amperage Amperage Amperage Amperage Amperage Amperage Amperage Amperage Min Max Min Max Min Min Max Min Max Min Max Min Max Min Max Rating ampere 24 24 32 32 42 42 57 57 24 24 32 32 42 42 57 57 100 24 26
16. Re install the component by referring to the removal procedure above Use only one ground marked hole for ground connection 7 If the supply cord of this appliance is damaged it must be replaced by an exact replacement part The special cord means the cord which has the same specification marked on the supply cord Figure 13 fitted to the unit 2 3 6 P C B 1 Remove the escutcheon 2 Remove the two knobs 3 Remove the 2 screws which fasten P C B cover 4 Disconnect all the leads which connected to the P C B 5 Remove the two screws which fasten the P C B board 6 Re install the components by referring to the removal procedure above AUN After servicing control box make sure that and DC wires are separated and tied up properly The wires should also be pressed a little downwards to prevent touching it to the display pcb Figure 14 ff 2 4 REFRIGERATION CYCLE i CAUTION Discharge the refrigerant system using a refrigerant recovery system If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the refrigerant Leave the valve in place after servicing the system 2 4 1 CONDENSER 1 Remove the brace and the shroud Refer to section 2 2 2 2 Remove the 4 screws which fasten the shroud Refer to section 2 2 2 3 Push forward the shroud and remove the 2 screws which fasten the condenser with the
17. SMAUIS ONILNNOW LLav IE 8 L 07 8 88 w E ET EH HY onnvo VREES TALNIT 19315 195 p105 NOLLVTIVLSNI MAANAA aalS Q3 TIV L3G 335 TIVM 3 2 3 UNIT INSTALLATION 1 Remove the shipping screw from the ventilation door See Figure 20 2 Remove the front gille by pulling it out at the bottom to release it then lift it up along the unit top front See Figure 21 Figure 21 3 Slide the unit into the wall sleeve and secure with 6 screws through the unit flange holes See Figure 22 4 Reinstall the front grille by hooking the top over the unit top then pushing it in at the bottom See Figure 23 Figure 23 26 3 3 ELECTRICAL REQUIREMENTS 3 3 1 ELECTRICAL DATA FOR 265V MODEL N CAUTION 1 Do not use an extension cord with this unit 2 When the unit is in the OFF position the power supply to the electrical controls is still energized 3 Disconnect power to the unit before servicing the unit 4 the power cord from the wall 5 Remove or turn off the protective device fuses or circuit breaker Wirings including installation of the receptacle must comply with the NEC and local codes local regulations FUSE Use a time delay fuse or circuit breaker Refer to the nameplate for proper power supply requirements If un
18. installed as the system was opened 2 Connect the charging cylinder as shown in Figure 17B With valve C open discharge the hose at the manifold connection 3 Open valve A and allow the proper charge to enter the system Valve B is still closed 4 If more charge is required the high side will not take it Close valve A 5 With the unit running open valve B and add the balance of the charge a Do not add the liquid refrigerant to the low side b Watch the low side gauge allow pressure to rise to 30 165 c Turn off valve B and allow pressure to drop d Repeat steps B and C until the balance of the charge is in the system 6 When satisfied the unit is operating correctly use the pinch off tool with the unit still running and clamp on to the pinch off tube Using a tube cutter cut the pinch off tube about 2 inches from the pinch off tool Use sil fos solder and solder pinch off tube closed Turn off the unit allow it to set for a while and then test the leakage of the pinch off connection 19 Equipment needed Vacuum pump charging cylinder manifold gauge brazing equipment pinch off tool capable of making a vapor proof seal leak detector tubing cutter hand tools to remove components service valve CONDENSER COMPOUND HIGH PRESSURE SIDE O MANIFOLD GAUGE B CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR LOW PRESSURE SIDE COMPRESSOR
19. removed before the chassis is installed in the sleeve Slide the chassis into the wall sleeve until the chassis flanges contact the front edge of sleeve Secure the chassis to the wall sleeve on each side with screws provided Re install the cabinet front See the following pages for installation instructions of indoor drain kit Figure 40 Figure 41 PLATE B DRAIN FITTING Figure 42 BLANK OFF SHEET METAL SCREWS Figure 43 Ei See Detail A Le n 7 Sleeve overflow port prd e Do not close up this port E9 Gasket 2 eJ EI Blank off Plate 2 ss 4 Mounting Screws s s Wall Sleeve Bottom utdoor Drain Fitting Detail A l 1 2 O _ Zure Screws 2 34 Indoor Drain Kit Installation The internal drain is installed on the bottom of the wall sleeve when it is required to drain the condensate into a drain system inside of the building The components of the wall sleeve drain kit are shown in Detail A Use components C 2 D E mounting screws 6 and the Outdoor drain fitting 1 The components D and drain fitting of the kit are mounted on the bottom of the wall sleeve prior to the installation of the sleeve It may be located in a feasible area on the bottom of the sleeve which is inside of the room except when a subbase is used When a
20. F The fan stops when the compressor stops cooling The setting appears in the display Approximately every 3 minutes the fan will turn on and the unit will check the room air temperature to determine if cooling is needed FAN Fan operation without heating or cooling HEAT Fan runs continually for normal heating operation TIMER SHUT OFF TIME You will usually use shut off time while you sleep If unit is running use Timer to set number of hours until shut off For your sleeping comfort once Time is set the Temperature setting will raise 2 F after 30 minutes and once again after another 30 minutes Push Timer to cycle through the settings from 1 Hour gt 2 Hours gt gt 12 Hours maximum 1 4 ADDITIONAL CONTROLS REMOVING THE FRONT GRILLE Additional controls are available after removing the front grille and option cover of control box To remove the front grille pull out the bottom of front grille and then lift up To replace the front grille place the tabs over the top of the unit and push the bottom of front grille until the clips snap into place ADDITIONAL CONTROLS The additional controls are located behind the option cover of control box The standard settings will be in the OFF position The authorized servicer has to check switches and ensure the switches are in the desired position Remote Local Energy Saver REMOTE ON ON ON ON LOCAL OFF OF
21. Figure 10 4 Remove the motor 5 Re install the component by referring to the removal procedure above 2 3 2 INDOOR MOTOR Refer to section 2 2 2 2 3 3 COMPRESSOR 1 Discharge the refrigerant system using a refrigerant recovery system If there is no valve to attach the recovery system install one such as A 1 before venting the refrigerant Leave the valve in place after servicing the system 2 Disconnect the 3 leads from the compressor 3 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections 4 Remove the 3 nuts and the 3 washers which fasten the compressor See Figure 11 5 Remove the compressor 6 Re instill the components by referring to the removal procedure above Figure 11 2 3 4 CAPACITOR 1 Remove the control box Refer to section 2 1 2 2 Remove 1 screw and disconnect the leads which connected to the box type capacitor See Figure 12 3 Remove 1 screw and the clamp which fastens the can type capacitor 4 Disconnect all the leads of capacitor terminals 5 Re install the components by referring to the removal procedure above Figure 12 16 2 3 5 POWER CORD 1 Remove the control box Refer to section 2 1 2 2 Disconnect the grounding screw from the control box 3 Disconnect 2 receptacles Remove a screw which fastens the clip cord Separate the power cord from the control box See Figure 13 6
22. Internal Condensate Removal ICR system optional on heat pump units 2 The wall case should be secured to the wall at both sides Use a minimum of two screws or other fastening device on each side See Figure 2 page 19 Mark the wall case on each side 2 from the bottom and 2 from the top at a point where basic wall structure is located Drill wall case and use fasteners appropriate for wall construction All holes for fasteners in the side of the wall case must be at least 2 up from the bottom of the wall case Never locate screws or put other holes in the bottom of the wall case If the wall opening is greater than the case dimensions spacers must be used on the sides between the wall case and the wall support structure to prevent distorting the wall case 3 Caulk or gasket the entire opening on the outside between the wall case and exterior wall surface 4 sides to provide total water and air seal 4 Caulk or gasket room side opening between wall case and interior wall surface 4 sides Opening beneath or around the wall case can allow outdoor air to leak into the room resulting in increased operating costs and improper room temperature control Care should be taken in location of electrical supply entry in relationship to wall sleeve to assure access to receptacle or junction box once unit is installed 23 FRAMING FOR WALL CASE BRICK VENEER AND FRAME CONSTRUCTION MAIN STUD JACK STUDS HEADER 4 x 4 OR 2 2
23. compressor locking of rotor metal COMPLAINT CAUSE REMEDY Fan motor will not run No power Check voltage at outlet Correct if none Power supply cord Check voltage to rotary switch If none check power supply cord Replace cord if circuit is open Rotary switch Check switch continuity Refer to wiring diagram for terminal identification Replace switch if defective Wire disconnected or connection loose Connect wire Refer to wiring diagram for terminal identification Repair or replace loose terminal Capacitor Discharge capacitor before testing Test capacitor Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Will not rotate Fan blade hitting shroud or cross flow fan hitting scroll Realign assembly Units using slinger ring condenser fans must have 1 4 to 5 16 inch clearance to the base If it is hitting the base shim up the bottom of the fan motor with mounting screw s Check fan motor bearings if motor shaft will not rotate replace the motor Fan motor runs intermittently Revolves on overload Check voltage See limits on this page If not within limits call an electrician Test capacitor Check bearings Does the fan blade rotate freely If not replace fan motor Pay attention to any change from high speed to low speed If the speed does not change replace the motor Fan motor noise
24. existing door assembly by lifting door halfway and using both hands bow door just enough for door hinge pins to slide out of mating holes Figure 25 Figure 25 Door Removal pe Install the new door assembly with the key lock by bowing the door with both hands and aligning the door hinge pins with their bracket in the front Figure 26 Important Note Personal Risk Hazard Underwriter s Laboratories Inc listed For institutional use only where supervisory monitoring is available Any other use may increase the risk of personal injury or property damage 28 Figure 26 New Door Installation Hinge Pins Each Side Brackets Each Side Condensate Disposal Pump Kit Installation Part No AYSB3101 Description The internal condensate pump serves as a means for disposing of condensate generated during heat pump operation by transferring it to the indoor coil The warm coil surface and the warm room air help in evaporation of the condensate while adding humidity to the room As with any equipment of this type the addition of this kit will decrease the effective heating capacity of the unit This kit is not intended for use in seacoast or corrosive environments NOTE Under extreme high humidity conditions the internal condensate pump may not be able to dispose of all the condensate produced and condensate would then drip from the outside of the wall sleeve If this condensation is unacceptabl
25. have an impact on the performance of the unit The following information is intended to minimize installation problems and assure you of trouble free installation Refer to page 24 for required wall opening dimensions Minimum recommended interior and exterior case projection for standard wall thicknesses are shown in the drawings in this manual The case may be installed flush with the finished indoor wall Mounting an outdoor grille or louver section to the building face may cause a space between the outdoor coil and the louver section Air splitters aligned with the ends of the outdoor coil must be installed between the outdoor coil inlet and outlet air streams Gaps between the outdoor coil and the louver section may allow condenser air recirculation and affect the operation of the unit See page 40 for requirements for custom louver sections The wall case should be level from side to side and from level to 1 4 bubble tilt to the outdoors The condensate disposal system in the unit is designed to dissipate the condensate water generated during cooling operation in accordance with ARI standards and actually uses this water for maximum unit efficiency A level unit will also insure proper performance of the Internal Condensate Removal ICR system optional on heat pump units For new construction early planning with the architect is necessary Unit location electrical connection locations and wall openings of the proper dime
26. of the sleeve as described in Step 1 of the stamped aluminum grille instructions 2 Turn the grille so it can be removed through the rear sleeve opening 3 Install the grille by aligning the four screws supplied to their corresonding holes in the architectural grille 32 4 Secure the grille to the sleeve by tightening the four screws to their corresponding holes in the grille 5 Remove the wire handle after the installation is complete Note The stamped aluminum grille includes 6 screws washers nuts and plastic grommets The architectural grille includes 4 screws Condensate Drain kit Part No AYDR101 Description Condensate water will drain from the chassis into the sleeve during normal heat pump operation This can also occur during times of high humidity when in cooling operation Install either the outdoor or indoor drain kit components to control the condensate water where normal drainage from the wall sleeve is not possible or undesirable See Figure 38 for all components of the drain kit N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Receiving Upon receipt of the
27. product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt The product must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the eduipment referred to in this booklet should be performed by qualified experienced technicians Figure 38 Components of Drain Kits DRAIN FITTING _ BLANK OFF BLANK OFF PLATE B PLATE C PLATE C GASKETS A 1 2 DRAIN FITTING MTG SCREWS SCREWS BLANK OFF GASKET E FOR PLATE D PLATE D Drain Installation Note The optional drain kit serves only as a link between the unit and field supplied condensate drain system Installing the kit without connecting it to a drainage system will result in inadequate condensate removal possible leakage and corrosion Algaecide Some algaecide products may cause damage to the unit basepan and therefore should not be used Contact your sales representative when considering the use of a commercial algaecide See Figure 38 for components of the drain kit 933 Figure 39 Outdoor Drain Kit Installation _BLANK OFF PLATE B PLATE DRAIN FITTING a 1 2 DRAIN putos GASKETS A MTG SCREWS Outdoor Drain Kit Installation Before installing the wall sleeve louvered condenser grille it must be determined if the optional outdoor wall sleeve drai
28. 00 ft 450 m 16 2000 ft 610 m Motion Sensor Motion Sensor Door Switch Door Switch Front Desk Contro Front Desk Contro FD2 FD1 DR2 DR MS2 MS1 Molex Housing Spec 396 06V REMOTE WALL When the wires are connected the unit will be controlled by a remote wall thermostat The thermostat connections supply the 24 Volt AC When you install the digital electronic thermostat you must set it to 24 Volt AC See the installation Instruction in this manual for the Remote Wall Thermostat 24 Volt N 24 Volt L Compressor Heater Reversing Valve High Fan Low Fan IL GL GH O Y R C Molex Housing Spec 396 07V 11 Note The following figures show wiring schematics for heat pump and straight cool units with electric heat respectively Wiring Schematic for Remote Heat Pump CONTROL BOARD CONNECTIONS Lal THERMOSTAT CONNECTIONS Wiring Schematic for Straight Cool Unit C R L 4 lt ih CONTROL BOARD CONNECTIONS THERMOSTAT CONNECTIONS REMOTE LOCAL CONTROL When remote local switch 1 is on it allow the unit to operate by the control of Remote Wall Thermostat The unit control by k
29. 20 590 640 885 960 1150 1260 48 Heat Pump Reverse Cycle Heating Capacity Model LPO70HED1 LPO90HED1 LP120HED1 LP150HED1 Voltage 265 265 265 265 Amps 2 2 2 7 3 9 5 3 Watts 550 690 990 1335 Btu h 6200 8000 10800 13200 COP 3 3 3 4 3 2 2 9 CFM Dry 300 300 420 420 Heating Btu h Outdoor Ambient 62 7200 9700 13100 15700 57 6900 9200 12400 14900 52 6500 8600 11600 14100 Rating Point 47 6200 8000 10800 13200 42 5900 7500 10100 12400 37 5600 7000 9300 11600 32 5300 6500 8500 10800 27 5000 6000 7800 10000 24 4800 5700 7400 9500 Watts Outdoor Ambient 62 580 745 1085 1425 57 575 735 1055 1405 52 555 715 1025 1370 Rating Point 47 550 690 990 1335 42 540 670 955 1300 37 525 650 925 1265 32 515 635 875 1220 27 510 605 835 1180 24 505 590 810 1170 49 6 TROUBLESHOOTING GUIDE 6 1 OUTSIDE DIMENSIONS 1 066mm 42 505mm 20 406mm 16 6 2 PIPING SYSTEM Following is a brief description of the important components and their functions in the refrigeration system Refer to Figure 63 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle ROOM AIR CONDITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS SUCTION LIME VAPOR INLET
30. 29 31 39 43 56 62 25 27 3 32 41 45 55 61 95 23 25 27 3 37 41 53 59 24 26 28 31 39 43 52 58 90 22 24 26 29 36 39 51 5 6 22 25 27 3 3 7 44 5 5 5 85 2 1 23 25 27 34 38 48 53 21 2 3 26 29 35 39 47 52 80 2 22 23 26 32 36 46 51 21 22 25 27 33 37 45 49 Heating Wattage Heat Pumps Temperature LPO7OHED1 LPO90HED1 LP120HED1 LP150HED1 Outside Air Room Air Total Wattage Total Wattage Total Wattage Total Wattage Dry Bulb Dry Bulb Input Min Max Min Max Min Max Min Max Rating wattage 540 560 680 700 975 1005 1320 1350 585 600 640 755 800 1065 1155 1405 1550 80 585 620 735 785 1045 1135 1385 1525 50 75 570 610 720 770 1025 115 1355 1500 70 545 595 705 750 1005 1090 1335 1475 65 530 580 685 730 980 1065 1310 1450 85 585 620 720 770 1035 1120 1360 1490 80 570 610 705 750 1010 1100 1335 1470 45 75 550 590 695 730 990 1090 1310 1445 70 535 575 675 710 965 1060 1280 1420 65 520 560 655 690 945 1040 1265 1395 85 565 600 690 735 985 1080 1305 1435 80 550 590 670 720 975 1060 1280 1415 40 75 535 575 650 700 955 1040 1255 1385 70 520 555 640 685 930 1020 1230 1365 65 500 540 620 660 910 995 1210 1335 85 565 585 660 705 970 1050 1250 1385 80 550 570 640 690 945 1025 1230 1355 35 75 540 555 620 675 925 1005 1200 1325 70 520 540 610 660 900 980 1180 1295 65 505 5
31. 4 F 12 2 C 82 F 27 8 C ON ON OFF 60 F 15 5 C 86 F 30 0 C 54 F 12 2 C 80 F 26 7 C OFF OFF ON 62 F 16 6 C 86 F 30 0 C 54 F 12 2 C 78 F 25 5 C ON OFF ON 64 F 17 7 C 86 F 30 0 C 54 F 12 2 C 76 F 24 4 C OFF ON ON 66 F 18 9 86 F 30 0 C 54 F 12 2 C 74 F 23 3 C ON ON ON 68 F 20 0 C 86 F 30 0 C 54 F 12 2 C 72 F 22 2 C 10 REMOTE LOCAL CONTROL When remote local switch 1 is on it allow the unit to operate by the Remote Wall Thermostat The unit control by knobs are not available ENERGY SAVER The energy saver switch 2 is on This switch is set at cycle fan to provide continuous fan operation in cool or heat modes When the switch is off the continuous fan allows continuous circulation of room air and make the more balanced temperature of the room When the switch is on the fan is on or off with the compressor or with the heater FRONT DESK CONTROL When the pair wire is connected to the connector FD2 and FD1 the unit can be turned ON or OFF with a switch located at the Front Desk Control panel When the front desk switch is ON the fan operates according to the setting without working compressor and heater When the front desk switch is OFF the unit can operate according to the setting of controls Wire AWG Maximum Length 22 600 ft 180 m 20 900 ft 270 m 18 15
32. 535965 5 11 ijoj REMOTE THERMOSTAT P NO 3850A20594H CN DISP1 CN ODT CN DISP2 CN THERMO S CN LINK CN IDF CN 4WAY CN ODF CN ICR 56 8 1 EXPLODED VIEW ELECTRICAL COOLING 8 2 EXPLODED VIEW ELECTRICAL HEATING February 2007 P No 3828 20308 Printed in Korea
33. AT after the cooling season is over This odor caused by fine dust particles on the heater will disappear quickly This is harmless n COOLER COOLING ONLY MODEL OPERATION MODE SELECTOR OFF Turns air conditioner off LOW FAN Low speed fan operation without cooling HIGH FAN High speed fan operation without cooling LOW COOL Cooling with the low speed fan operation HIGH COOL Cooling with the high speed fan operation LOW HEAT Heating with the low speed fan operation HIGH HEAT Heating with the high speed fan operation 7 cM EN ED XC ELECTRONIC CONTROLS The controls will look like one of the following FAN SPEED Every time you push this button it cycles through the settings as follows High F2 Low F1 High F2 Low F1 E SAVE L F1LOW F2 HIGH HIGH To turn the air conditioner ON push this button To turn the air conditioner OFF push the button again 5 MODE This button takes priority over any other button Push this button to cycle through the modes from COOL gt FAN TEMPERATURE SETTING COOL Use this button to automatically control the Fan runs continually for normal cooling operation temperature of the room ENERGY SAVER The temperature can be set within a range of 54 F to 86 by increments of 2
34. B3 Figure 53 6 Connect the other stripped RD 9 wire to the quick connect tab on the side of the second fuse holder Wire nut other end to red subbase wire which leads to receptacle Figure 53 7 Insert time delay fuses into the fuse holders Size all fuses by the Maximum Overcurrent Protection shown on the nameplate Also refer to the serial plate on the unit Figure 52 Subbase Left Side Fuse Holder Knockouts Power Switch Leg Knockouts Figure 53 Fuse Holder Diagram Subbase Installation Electrical Receptacle Field Connection TB1 Wiring Red 183 40 Remote Escutcheon Kit Part No AYRE110 Description This kit provides an attractive replacement escutcheon see Figure 54 The kit allows the removal of control knobs and graphics which are not required when a wall thermostat is used to control the unit Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt The unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tago
35. EMOVING THE FRONT GRILLE Additional controls are available after removing the front grille and option cover of control box To remove the front grille pull out the bottom of front grille and then lift up To replace the front grille place the tabs over the top of the unit and push the bottom of front grille until the clips snap into place ADDITIONAL CONTROLS The additional controls are located behind the option cover of control box The standard settings will be in the OFF position The authorized service man has to check switches and ensure the switches are in the desired position REMOTE ON ON ON OFF LOCAL OFF OFF OFF OFF 3 Remote Local Energy Saver Temperature Limit 1 Temperature Limit 2 Temperature Limit 3 TEMPERATURE LIMITING Temperature Limiting can save money by limiting the lowest temperature for cooling and the highest temperature for heating The temperature limiting is controlled by dip switch 1 3 This temperature limiting is not available with the Remote Wall Thermostat Temperature Temperature Temperature Cooling Operation Heating Operation Limit 1 Limit 2 Limit 3 Lowest Temp Highest Temp Lowest Temp Highest Temp OFF OFF OFF 54 F 12 2 86 F 30 0 C 54 F 12 2 86 F 30 0 OFF OFF 56 F 13 3 86 F 30 0 C 54 F 12 2 C 84 F 28 9 OFF ON OFF 58 F 14 4 C 86 F 30 0 C 5
36. F OFF OFF OFF Temperature Limit 1 Temperature Limit 2 Temperature Limit 3 UNIT TYPE TEMPERATURE LIMITING Temperature Limiting can save money by limiting the lowest temperature for cooling and the highest temperature for heating The temperature limiting is controlled by switches 1 3 This temperature limiting is not available with the Remote Wall Thermostat Temperature Temperature Temperature Cooling Operation Heating Operation Limit 1 Limit 2 Limit 3 Lowest Temp Highest Temp Lowest Temp Highest Temp OFF OFF OFF 54 F 12 2 86 F 30 0 C 54 F 12 2 C 86 F 30 0 C ON OFF OFF 56 F 13 3 C 86 F 30 0 C 54 F 12 2 C 84 F 28 9 OFF ON OFF 58 F 14 4 86 F 30 0 C 54 F 12 2 82 27 8 ON ON OFF 60 F 15 5 C 86 F 30 0 C 54 F 12 2 C 80 F 26 7 C OFF OFF ON 62 F 16 6 C 86 30 0 C 54 12 2 78 F 25 5 OFF ON 64 F 17 7 86 F 30 0 C 54 F 12 2 C 76 24 4 OFF ON ON 66 F 18 9 C 86 F 30 0 C 54 F 12 2 74 F 23 3 C ON ON ON 68 F 20 0 86 30 0 54 F 12 2 C 72 22 2 6 7 Unit Type OFF OFF Cooling Electric Heater Heat Pump OFF ON Cooling Electric Heater ON OFF Heat Pump Only ON ON Cooling Only R
37. Kit Installation and Wiring Procedure Electrical connections at the unit must be made after the unit chassis is installed in the wall sleeve The installer must determine and supply the mounting components for attaching the junction box to the wall or door AN WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit CAUTION Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors may result in equipment damage Important Note All wiring must comply with applicable local and national codes Types and location of disconnect switches must comply with all applicable codes 1 Remove the cover plate from the junction box 2 Mount the junction box to the wall or floor within 28 inches 711 mm of the lower right corner of the wall sleeve disconnect switch is to be used make electrical connections to it and mount the switch in the junction box Refer to the Power Switch Installation Instructions Remove control panel assembly by removing the two screws holding control panel in place Rotate the panel forward Disconnect the power
38. SE AN EXTENSION CORD on 265 Volt units 27 4 FIELD INSTALLED ACCESSORIES Note The installation and servicing of this equipment must be performed by qualifieed experienced technicians NOTICE Warnings and Cautions appear at appropriate sections throughout this manual Read these carefully WARNING Indicates potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices CAUTION Indicates a situation that may result in equipment or property damage only accidents Control Panel Key Lock Part No AYCP101 Description The Key Lock kit prevents tampering of the controls used to set temperatures and heating or cooling functions Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt Unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians 1 Remove front from unit by pulling bottom out and then lifting upward Figure 24 Figure 24 Remove Front 2 3 Remove
39. al Wattage Input Total Wattage Input Dry Bulo WetBub Min Max Min Max Min Max Min Max Min Max Min Max Min Min Max Rating wattage 620 680 780 840 1065 1145 1435 1515 600 660 800 860 1115 1195 1525 1605 80 630 690 790 850 1075 1155 1445 1525 610 670 810 870 1125 1205 1535 1615 100 70 630 690 790 850 1075 1155 1445 1525 610 665 810 870 1125 1205 1535 1615 60 625 68 785 845 1070 1150 1440 1520 605 660 805 865 1120 1200 1530 1610 80 615 675 775 835 1060 1140 1430 1510 595 65 795 85 1110 1190 1520 1600 90 70 615 675 775 835 1060 1140 1430 1510 595 65 795 855 1110 1190 1520 1600 60 610 670 770 830 1055 1135 1425 1505 590 650 790 850 1105 1185 1515 159 80 605 665 765 825 1050 1130 1420 1500 585 645 785 845 1100 1180 1510 1590 1 1 80 70 605 665 765 825 1050 1130 1420 1500 585 645 785 845 1100 1180 1510 1590 1175 1505 1585 60 600 660 760 820 1045 1125 1415 1495 580 640 780 840 1095 45 Cooling Change of Temperature Air conditioners and Heat Pumps
40. an Axial Fan Cross Flow Fan Axial Fan Motor Type 4 POLES 4 POLES Motor OutputW 50 50 50 50 Power Supply Cable No mm 321 3 2 1 3 2 1 3 2 1 Dimension W HD mm 1066 406 505 1066 406 505 1066 406 505 1066 406 505 inch 42 16 19 7 8 42 16 19 7 8 42 16 19 7 8 42 16 19 7 8 Net Weight Indoor kg lbs 41 2 91 41 8 92 45 0 99 48 3 106 Tool Code Chassis YA YA Functions Temperature Control Thermistor Thermistor Thermistor Thermistor Energy Saver Switch Prefilter washable anti fungus O Plasma Filter gt Steps Fan Cool Heat 21212 2 2 2 2 2 2 2 2 2 Airflow Direction Control up amp down Manual Manual Manual Manual Airflow Direction Control left amp right Remocon Type Setting Temperature Cooling 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C Range Heating 54 F 86 12 2 30 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C 54 F 86 F 12 2 C 30 C Auto Operation Micom Control Panel Touch Micom Micom Micom Micom Timer 12h On Off 12h On Off 12h On Off 12h On Off Air Discharge Rear Rear Rear Rear Air Ventilation Device Control Defrost O Hot Start Look L Look L Look L Look L Look Cabinet Type Chassis Type Special Function Electric Heater Electric Heater Electric Heater Electric Heater 1 2 FEATURES AND BENEFITS The PTAC has m
41. any installation Stamped Aluminum Grille 1 Prepare the wall sleeve for installation of the grille by removing the cardboard stiffener and rear enclosure panel from the sleeve These items may be removed from inside of the building Note The sleeve stiffener must be taken out before the rear sleeve enclosure panel can be removed from the sleeve 2 Prepare the stamped aluminum grille for installation on the sleeve by inserting the six 6 plastic grommets into the square holes located near the outer edges of all four sides of the grille With the grille positioned so the flanges of all four sides are in the up position insert the grommets so the square end protrudes through the grille in the opposite direction from the flanges 3 Turn the grille so it can be removed through the rear sleeve opening 4 Install the stamped aluminum grille by aligning the guide pins located in the lower right and left hand corners of the grille with the corresponding holes in the rear of the wall sleeve 5 Secure the grille by threading each of the screws into the plastic grommets 6 Remove the wire handle not shown in the picture from the center of the grille prior to installing the chassis into the sleeve Note Be sure to keep a firm grip on wire handle and grille to prevent it from dropping and or causing possible injury or property damage Architectural Grille 1 Remove the cardboard sleeve stiffener and the rear enclosure
42. any features some of which are different than those found on conventional PTAC units The servicer must be familiar with these features in order to properly service the unit THE SLEEVE AND THE REAR GRILLE Available as an option REAR GRILLE VERTICAL AIR DEFLECTOR SLEEVE ASSEMBLY Aluminum Rear Grille Horizontal Louver Including Aluminum Rear Grille SSSSS fs 22905 SS ese 55555555 SSS EE 229092095 SSS SSS oS SSSSSSS SSS E nm 555 TS SSS lt AIR FILTER SS SES SOS INLET GRILLE Air Intake EXPANDED METAL GRILLE Superior for a performance IIR Infinite Impulse Response The IIR function senses the temperature several times per second and makes micro adjustments several times per Compressor Restart Delay This feature extends the overall life of compressor by preventing the short cycling of the air conditioner When the compressor restarts LG PTAC is designed to give a minimum of three minutes to have a time of equalizing the refrigerant pressures for optimizing cycling Fan Only Setting High Low The fan can run at HIGH or LOW speed without COOLING or HEATING to provide air circulation and ventilation Indoor Fan Speed Selections High Low The fan can run at HIGH or LOW speed for either COOLING or HEATING Two Fan motors The unit has two fan motors to provide quiet operation and maximum efficiency Indoor Filt
43. basepan 4 After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections 5 Remove the condenser 6 Re install the components by referring to notes See Figure 15 2 4 2 EVAPORATOR 1 Remove the front grille Refer to section 2 1 1 2 Discharge the refrigerant completely 3 Remove the control box assembly Refer to section 2 1 2 4 Remove the 4 screws which fasten the evaporator at the left side and the right side 5 Move the evaporator sideward carefully and then unbraze the interconnecting tube at the evaporator connectors 6 Remove the evaporator 7 Re install the components by referring to notes See Figure 16 2 4 3 CAPILLARY TUBE 1 After discharging the refrigerant completely unbraze the interconnecting tube at the capillary tube 2 Remove the capillary tube 3 Re install the components by referring to notes 18 Figure 15 Figure 16 NOTES Replacement of the refrigeration cycle 1 When replacing the refrigeration cycle be sure to discharge the refrigerant system using a refrigerant recovery system If there is no valve to attach the recovery system install one such as A 1 before venting the refrigerant Leave the valve in place after servicing the system 2 After discharging the unit completely remove t
44. be removed and a suitable frame constructed to secure the wall case and provide adequate support for case and chassis Preparation of the Wall Case for Types of Construction As shipped the LG wall sleeve is ready for installation Do not remove the stiffener from inside the wall case or the weather closure panel from the outside face of the wall case until the outdoor grille and chassis are ready to be installed Installation of Wall Case in Wall Opening 1 Position the wall case into the wall The room side edge of the wall case should be at least flush with the finished wall for line cord installations and permanent connection installations when no sub base is used and should project into the room at least 2 3 8 when a sub base is used If the minimum exterior dimensions are not met refer to page 23 The outside edge of the wall case should extend at least 1 4 beyond the outside wall This is necessary for proper caulking to prevent sealing thedrain holes in the rear flange of the wall case and to facilitate the installation of an accessory drain if used The wall case should be level from side to side and from level to 1 4 bubble tilt to the outdoors The condensate disposal system in the unit is designed to dissipate the condensate water generated during cooling operation in accordance with ARI standards and actually uses this water for maximum unit efficiency A level unit will also insure proper performance of the
45. cord leads from all electrical connections including the ground wire Remove the power cord clamp and the power cord from the unit For 208 230 volt units remove and discard the white lead from the wire assembly For 265 volt units remove and discard the red lead from the wire assembly Remove the retaining ring from the threaded portion of the straight conduit clamp Insert the three wires into the metal box through one of the two openings in the box Replace the hole cover grommet into the unused hole to prevent objects from entering the box 9 Replace the retaining ring back on the conduit clamp inside the metal box and tighten the ring securely 10 Insert the three wires extending from the metal box into the incoming power opening on the unit so that approximately 20 inches 508 mm of the wires protrude through the opening 11 Attach the metal box to the chassis with the two screws provided 12 Insert the wire tie into the 1 4 inch diameter hole located just above the incoming power opening Tie all wires together securely with the wire tie See Figure 48 gt e zd 37 265 Units 1 2 Remove discard the red lead from the wire assembly Connect the black lead to the center terminal of the fuse holder Connect the white lead to the common terminal on the capacitor Connect the ground wire to the partition panel where the ground wire o
46. e compressor heck th i Overload Check the compressor overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool it and retest ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 265V 239V 292V COMPLAINT CAUSE REMEDY Compressor cycles on overload Voltage Check the voltage See the limits on the preced ing page If not within limits call an electrician Overload Check overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool and retest Fan motor If not running determine the cause Replace if required Condenser air flow restriction Remove the cabinet inspect the interior surface of the condenser if restricted clean carefully with a vacuum cleaner do not damage fins or brush Clean the interior base before reassembling Condenser fins If condenser fins are closed over a large area damaged on the coil surface head pressures will increase causing the compressor to cycle Straighten the fins or replace the coil Capacitor Test capacitor Wiring Check the terminals If loose repair or replace Refrigerating system Check the system for restriction Insufficient cooling or heating Air filter If restricted clean of replace Exhaust damper door Close if open Unit u
47. e then a drain system including factory approved drain kit for the wall sleeve should be installed Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt Unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit 1 Remove front by rotating bottom outward and then lifting up and out from chassis 2 Unplug and remove the PTAC chassis from the wallsleeve Move the chassis where the front and back of the chassis can be easily accessed 3 Remove the top cover assembly net steel Figure 27 Figure 27 N mmm AR 4 Lift the heater discharge deck assembly approximately 10 inches by unscrewing three screws two on the left side one on the right side of the discharge deck holding the discharge deck to the chassis
48. e hole in the panel where the compressor wires are routed through the panel NOTE The permagum may have to be removed to feed the wires through the panel make sure wires have no slack and replace the permagum to prevent air leaks Figures 34 and 35 Figure 35 Permagum Grommet Plastic Ring Condensate Pump Cord gc 18 gain access inside the control panel remove the knobs and escutcheon Remove the two screws holding the panel in position Tilt the control panel forward being careful not to pinch any wires Figure 36 19 Lift the control panel up so the control panel is free of its hinges Position the control panel so there is easy access for mounting components to the control panel Figure 36 Figure 36 Mode Switch Thermostat Remove two screws to gain access inside Control Panel Fuse Holder Knockouts under panel 20 Connect the condensate pump to the ICR relay on the terminal board per Figure 37 21 Install the basepan drain plug into the basepan drain hole by pushing it up into the drain hole from the bottom of the basepan This will defeat the thermostatic controlled drain valve The basepan drain is located to the left of the outside coil as viewed from the back of the unit Figure 37 Internal Condensate Removal Pump Wiring ICR BL
49. egs are designed to provide extra front support and leveling of the wall sleeve Two leg assemblies are required per unit and are provided in each kit Four screws are also provided with each kit for attachment to the wall sleeve See Figure 45 The leveling legs must be installed before the chassis is installed but after the wall sleeve is in place Holes must be drilled in each side of the wall sleeve below the duct package holes for attachment to the wall sleeve Receiving Compare kit identification number with sales order to ensure that the correct kit has been received Inspect the leveling legs for shipping damage File damage claims with the delivering carrier immediately Installation The installation and servicing of this equipment should be performed by qualified experienced technicians A WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Checklist The following is an abbreviated quide to leveling leg installation Refer to appropriate areas for more detailed information 35 Leveling Leg Assembly To install the leveling leg assembly complete the followi
50. ers The unit uses two indoor filters which slide in and cut easily The filters may be cleaned by washing and brushing without removing the front grille Rotary Compressor The unit uses a rotary compressor for quiet reliable operation and long life 2 Position Discharge Grille The discharge grille can provide air flows upward at an angle of 40 off vertical or 15 degree off vertical The angle is changed by removing the front grille and 4 screws that fasten the discharge grille to the front grille and rotating the louvers to an alternate position Indoor Room Freeze Protection When the unit senses the room temperature falls to less than 40 F the unit activates the fan motor and either the electric resistance heater or the hydronic heater to prevent pipes or fixtures from freezing This also overrides front desk control of the unit mounted or wall mounted controls Door Switch Occupancy Sensor The unit is capable of accommodating a field installed door switch and occupancy sensor to operate the energy management feature For additional information refer to the unit operation section Compressor Overload Protection This feature prevents the damage of the compressor by sensing the indoor tube temperature in heating If the indoor temperature is over 130 F the outdoor fan will be switched off and back on when the temperature drops below 120 F Outdoor Air Temperature Switchover This will effectively change the unit from
51. f desired The unit has a built in low voltage power source which can accommodate a large variety of thermostat choices manual auto changeover or programmable A remote thermostat can also be added to any installed unit Zone Sensor Occupants enjoy ultimate comfort with consistent climate control Attach an optional inexpensive remote Zone Sensor to exactly match the functions of the PTAC without disabling any features 1 3 CONTROL LOCATIONS OPERATION TEMPERATURE OPERATION e WARMER COOLER ELECTRIC HEATING MODEL TEMPERATURE CONTROL Set the Thermostat control to the desired temperature mark 5 the mid point is a good starting position If the room temperature is not satisfactory after a reasonable time adjust the control to a cooler or warmer setting as appropriate VENTILATION The ventilation lever is located to the lower left side of the unit The ventilation lever must be in the CLOSE position in order to maintain the best cooling conditions When fresh air is necessary in the room set the ventilation lever to the OPEN position The damper is opened and outdoor air is drawn into the room This will reduce the cooling or heating efficiency When the air conditioner has performed a cooling or heating operation and is turned off or set to the fan position wait at least 3 minutes before resetting to the cooling operation A slight heat odor may come from the unit when first switching to HE
52. g bottom outward and then lifting up and out from chassis Figure 50 Control Panel Mode Switch Thermostat Remove two screws to gain access inside Control Panel Fuse Holder Knockouts under panel 2 gain access inside the control panel after removing the knobs and escutcheon remove the screws holding panel in position Tilt control panel forward being careful not to pinch any wires Figure 50 3 As viewed from the front remove both knockouts on the control panel 4 Insert two fuse holders from the front The fuse holders should be oriented so the quick connect tabs are toward the center of the unit Attach fuse holders using the screws and nuts provided Figure 50 5 Remove both power cord leads one lead from the capacitor and one from the electronic board Install one power cord lead on the center terminal of one fuse holder Figure 51 Install the remaining power cord lead on the center terminal of the second fuse holder Figure 51 8 Connect BK 10 wire from the side terminal of one fuse holder to the Line terminal on the electronic board Figure 50 9 Connect RD 10 wire from the side terminal of the other fuse holder to the common C terminal on the capacitor Figure 51 10 Tilt control panel back to original location being careful not to pinch any wires Align the control panel with the cover and screw panels into place with original screws Replace escutcheon and co
53. gether using two metal screws provided This assembly now becomes the right front cover Part F of the subbase Figure 58 next page Position subbase under the front of the wall sleeve Align the back edge of the flange on cover A Figure 54 next page to front of the wall sleeve flange Figure 60 next page Drill four 1 8 inch holes in wall sleeve to line up with holes in subbase Figure 58 Location D next page Mount subbase to wall sleeve with four sheet metal screws provided with kit Figure 58 Location D next page gt Remove the left front cover from the subbase Figure 58 Part A next page Position skirting on each side of wall sleeve to prevent the entry of foreign materials Trim skirting to desired length Attach skirting with four sheet metal screws provided with kit Figure 58 Location E next page 7 Wire subbase for appropriate voltage Figure 61 next page 42 Note Figure 60 Dimensions The proper subbase must be ordered to obtain the correct electrical receptacle Figure 62 8 After wiring is complete mount covers A and F to the Ig um subbase with provided screws Figure 59 od de 294 9 When installing optional accessories to the subbase refer Wall Sleeve to each installation instruction for that accessory ii Me ee Pr ee Flange Figure 58 25 8 Left End View
54. he desired component and unbraze the pinch off tubes 3 Solder service valves into the pinch off tube ports leaving the valves open 4 Solder the pinch off tubes with service valves 5 Evacuate as follows 1 Connect the vacuum pump as illustrated Figure 17 A 2 Start the vacuum pump slowly open manifold valves and B with two full turns counterclockwise and leave the valves closed The vacuum pump is now pulling through valves A and B up to valve C by means of the manifold and entire system If high vacuum equipment is used just crack valves A and B for a few minutes then open slowly with the two full turns counterclockwise This will keep oil from foaming and being drawn into the vacuum pump 3 Operate the vacuum pump for 20 to 30 minutes until 600 microns of vacuum are obtained Close valves A and B and observe the vacuum gauge for a few minutes A rise in pressure would indicate a possible leak or moisture remaining in the system With valves A and B closed stop the vacuum pump 4 Remove the hose from the vacuum pump and place it on the charging cylinder See Figure 16 B Open valve C Discharge the line at the manifold connection 5 The system is now ready for final charging 6 Recharge as follows 1 Refrigeration cycle systems are charged from the high side If the total charge cannot be put in the high side the balance will be put in the suction line through the access valve which you
55. heat pump mode to total electric resistance heat Temperature limits The unit is programmed to provide both heating and cooling temperature limits by dip switches on control panel from 54 to 86 F Temperature limits help to prevent overheating and overcooling and reduce energy costs Condensate Drain Valve The unit has a condensate drain valve to prevent water from collecting or freezing in the basepan Quick Heater Recovery The unit is designed to operate the electric heater to warm the room to the temperature set point as soon as heat pump cycle is on in heating This feature has an advantage of reducing the time to reach the set point and improving the temperature increase for better comfort Reverse Cycle Defrosting PTHDs only The unit will activate the reverse cycle defrost when the outdoor coil temperature has remained at a cold temperature to form the ice on the coil This ice will reduce airflow though the coil and will also reduce the efficiency of unit The LG PTHP will employ an active reverse cycle defrost function to melt the ice off the outdoor coil for insuring room comfort conditions and savings from extended operation High Temperature Heat Pump Operation Protection The compressor will be switched off to prevent damage when the heat pump is operated in high outdoor temperatures Remote Thermostat Control Each unit is built to be operated from any standard 4 or 5 wire remote mounted thermostat i
56. http www lgservice com P b a BY aN LG Packaged Terminal Air Conditioner Heat Pump NIT READ THE SAFETY UAL 5 1 PREFACE 1 1 SPECIFICATIONS 3 1 2 FEATURES AND BENEFITS 5 1 3 CONTROL LOCATIONS 6 1 4 ADDITIONAL 9 DISASSEMBLY INSTRUCTIONS 2 1 MECHANICAL 13 2 1 1 FRONT GRILLE eneen 13 2 1 2 CONTROL BOX eenen 14 2 2 AIR HANDLING PARTS esse ese sees sss 15 2 2 1 ELECTRIC HEATER AND CROSS FLOW FAN Electric heater model only 15 2 2 2 AXIAL FAN nennen vennen 15 22 3SHROUD aee 16 2 3 ELECTRICAL PARTS 16 2 3 1 OUTDOOR MOTOR 16 2 3 2 INDOOR MOTOR 16 2 3 3 16 2 3 4 CAPACITOR eenen Re Re 16 2 3 5 POWER 17 2 3 6 EN 17 2 4 REFRIGERATION 18 2 4 1 CONDENSER eeen 18 2 4 2 18 1 PREFACE 2 4 3 18 3 INSTALLATION 3 1 HOW TO INSTALL THE 21 3 2 WALLSLEEVE INSTALLATION
57. ing Capacity Btu h 7600 8900 11800 14000 7300 14400 9300 12000 Cooling Amps A 2 6 321 44 58 2 5 2 2 6 2 5 3 3 3 3 9 Cooling Power W 650 810 1105 1475 630 550 1565 1335 830 1155 EER Btu h Watt 11 7 11 10 7 9 5 11 6 9 2 112 104 Moisture Removal Pts h 2 26 33 44 2 44 26 33 Heat Pump Heating Data Heating Capacity Btu h 5 5 6200 13200 8000 10800 Heating Amps 26 3 21 4 4 5 8 2 5 2 2 6 2 5 3 2 7 3 9 Heating Power W 650 810 1105 1475 630 550 1565 1335 690 990 COP W W 33 2 9 34 3 2 Airflow Indoor Wet 0 3ESP Hi 300 300 420 420 300 420 300 420 Indoor Wet 0 3ESP Lo 255 255 355 355 255 355 255 355 Indoor Dry 0 3ESP HI 320 320 450 450 320 450 320 450 Indoor Dry 0 3ESP Lo 275 275 385 385 275 385 275 385 Electric Heat Data LPO70CED1 LPO70OHED1 LPO90CED1 LPO9OHED1 LP120CED1 LP120HED1 LP150CED1 LP150HED1 Heater Size kw 2 0 2 0 37 37 37 3 7 3 7 3 7 Btu Hr 6800 6800 11900 11900 11900 11900 11900 11900 Heating Watt 2040 2040 3740 3740 3740 3740 3740 3740 Heating Amps 76 76 14 0 14 0 14 0 14 0 14 0 14 0 44 Cooling Wattage Air conditioners and Heat Pumps Model LPO70CED1 LPOMCED1 LP120CED1 LP150CED1 LPO7OHED LPO9OHED1 LP120HED1 LP150HED1 Temperature Outdoor Air Return Air Total Wattage Input Total Wattage Input Total Wattage Input Total Wattage Input Total Wattage Input Total Wattage Input Tot
58. it equipped with cords and plugs as long as they are installed with sub bases and the cord and plug are enclosed within the sub base The sub base must have means for permanent connection The sub base must have an outlet for the connection of the cord and plug complete the installation of this there must be a sub base 3 3 2 ELECTRICAL SAFETY IMPORTANT GROUNDING INSTRUCTIONS Standard 265V grounding receptacle rated 20 Use 20AMP time delay fuse or 20AMP circuit breaker 2500W Heater gt 15 AMP Circuit Breaker Standard 265V grounding receptacle rated 25A Use 25AMP time delay fuse or 25 circuit breaker 2500W Heater gt 15 AMP Circuit Breaker The air conditioner has a three prong grounding plug on its power supply cord which must be plugged into properly grounded three prong wall for your protection against possible shock hazard FUSE Use time delay fuse or circuit breaker Refer to the nameplate for proper power supply reguirements 265 VOLT UNITS These units are equipped with three prong grounding plug on the power supply cord which must be plugged into a matching properly grounded three prong wall receptacle for your protection against possible shock hazard If such an outlet is not present one must be installed by a qualified electrician in accordance with the National Electrical Code and local codes and ordinances NOTE DO NOT U
59. l with the provided 1 2 inch 8 screw Figures 30 amp 31 12 Position the pump in the back left corner of the basepan and screw the pump bracket to the basepan with the provided two 1 2 inch 8 screws Figure 33 Figure 33 Figure 30 13 Remove the protective adhesive backing from the plastic U clip and mount the U clip to the plastic condenser Figure 31 shroud in approximately the position shown Figure 34 14 Snap the provided round plastic grommet into the top condenser baffle Figure 34 30 15 Place one of the hose clamps over one end of the 16 inch vinyl hose Place the same end over the barbed discharge tube of the pump assembly Place a hose clamp on the other end of the 16 inch hose Place this same end over the shorter leg of the overflow tube and secure the hose with the hose clamp Figure 34 Figure 34 Plastic Grommet mese 16 Place a hose clamp over one end of the 11 inch long hose Push this same end over the longer leg of the over flow tube and secure with the hose clamp Place another hose clamp over the other end of the 11 inch hose Push this same end over the condensate tube protruding out from the back of the partition panel and secure with the hose clamp Figure 34 17 Route the condensate pump cord through the U clip on the condenser shroud through the plastic grommet in the sheet metal condenser wing through the plastic ring in the panel and then through th
60. lex Housing Spec 396 09V ES loa LON 12 Note The following figures show wiring schematics for heat pump and straight cool units with electric heat respectively Wiring Schematic for Remote Heat Pump GL CONTROL BOARD CONNECTIONS THERMOSTAT CONNECTIONS Wiring Schematic for Straight Cool Unit wr 2 s CONTROL BOARD CONNECTIONS THERMOSTAT CONNECTIONS 2 DISASSEMBLY INSTRUCTIONS Before the following disassembly POWER SWITCH is set to OFF and disconnected the power cord 2 1 MECHANICAL PARTS 2 1 1 FRONT GRILLE 1 Remove the front grille See Figure 1 2 To remove the front grille pull out the bottom of the front grille and then lift up Re install the component by referring to the removal procedure 3 To replace the front grille place the tabs over the top of the unit and push the bottom of front grille until the clips snap into place Figure 1 This Room Air Conditioner discharges air from the top of the unit through reversible 2 position discharge grille louvers The unit is shipped from the factory with the discharge grille louvers at an angle of 40 off vertical In the alternate position the louvers will be at an angle of 15 off vertical To adjust air direction remove the front grille Remove the 4 screws that fasten the discharge grille to the front grille
61. ment Note The installation and servicing of this equipment must be performed by qualified experienced technicians only N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit CAUTION Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors may result in equipment damage Important Note All wiring must comply with applicable local and national codes Type and location of fused disconnect switch es must comply with all applicable codes Failure to follow these codes could result in overheating and equipment failure Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt Unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians Fuse Holder Kit Installation Without Subbase 1 Remove front by rotatin
62. n kit is to be installed The drain kit will allow the condensate from the outdoor and indoor coils to be routed to a suitable area The drain kit can be installed so the condensate can be drained from the right or left hand side of the wall sleeve See Figure 39 See local codes for proper condensate disposal To install the outdoor drain components proceed as follows Remove the rear enclosure panel and the sleeve stiffener These items may be removed from the inside of the building 2 The drain fitting can be installed on the left or right hand side of the sleeve Illustration will be for a right hand installation Insert the drain fitting in the opening of gasket A and hole of plate B Secure this assembly to the rear of the sleeve with two sheet metal screws into holes G provided in sleeve See Figures 40 and 41 3 Locate the other gasket A on the back of blank off plate C and secure the assembly to the left rear of wall sleeve with sheet metal screws provided See Figure 42 for finished left hand side installation If the unit chassis is to be installed right away install the condenser grille to wall sleeve with hardware provided See condenser grille installation instructions If the unit chassis will not be installed right away replace the rear enclosure panel in the wall sleeve This will help protect the inside of the building from weather damage If a subbase is used be sure the right hand subbase cover is
63. n the power cord was located Use the supplied green ground screw Connect the white lead of the wire assembly at the junction box to the white lead of the field power source Connect the black lead of the wire assembly at the junction box to the black lead of the field power source Connect the ground wire of the field power supply to the bare ground wire of the wire assembly at the junction box Install the junction box cover plate Reinstall the control panel assembly Figure 48 Mounting Hard Wire Junction Box Kit Wall Sleeve Ground Wie with Eyelet Terminal Cover plate 28 Inch es Max ____ Pover Leads reer 10 with Push on A N Connectors Conduit Metal Box with Straight Clamp Figure 48 Metal Box Location Control Panel Base Pan Bracket Figure 49 Electrical Wiring Routing Right Side of Chassis Wire Tie 3 16 Inch Diamenter Hole Electrical Supply Wires Back of Control Panel Fuse Holder Kit Part No AYFH1101 Description This optional fuse holder kit can be installed directly in the chassis or in the optional subbase Fuse holder kits are available in 230 208 volt ratings The installer should supply time delay fuses at 15 20 25 or 30 amps in accordance with the Maximum Overcurrent Protection as listed on the unit nameplate Fuses may be purchased from the parts depart
64. nal 4 Insulation strip prevents the exhaust air from re entering from either side of condenser space which may decrease the cooling efficiency of condenser 21 Dimension of air conditioner 1066 mm 42 _ 12013 3 4 Wall opening 16 1 4 42 1 4 Insulation strip must be attached to prevent the re circulation of exhaust air to inward side from the either side of condenser space The insulation INSULATION SLEEVE COOLED EAT RADIATION INTAKE AIR 1 4 Bubble y _ of the level __ 20 280 117 Front Insulation Strip Sleeve Rear 3 2 WALL SLEEVE INSTALLATION 3 2 1 Wall Case Installation Data General Generally units are installed 3 to 5 above the floor flush to finished floor installation is possible as near to the center of the room as possible underneath a window or a glass panel is typical Normal installation of the wall case allows installation flexibility from flush with the finished interior wall to a minimum of 1 4 of the wall case extending beyond the finished exterior of the building Special consideration must be given to installations where the wall case does not extend a minimum of 1 4 beyond the finished exterior wall Regardless of the installation there are several things to consider when selecting a location for installing the unit For instance drapery location could interfere with air discharge and placement of furniture may
65. ndersized Determine if the unit is properly sized for the area to be cooled Excessive noise Cross flow fan Check the set screw or clamp If loose or missing correct If the blower or fan is hitting air guide rearrange the air handling parts Copper tubing Carefully rearrange tubing not to contact compressor shroud and barrier 55 7 SCHEMATIC DIAGRAM POWER INPUT NEUTRAL LIVE WH BK In part A there 3 types GNYL HEATER FUSE OR Ap Bi RD OR 0 TB HEATER FUSE ecl 4 on 1 pull N 0 FOR E HEATER MODEL FOR HEAT PUMP MODEL GAN INDOOR COIL THERMISTOR CV INDOOR AIR EE THERMISTOR Sob CN CN CN CN THERMO S 8 IDPT IDAT lV3H AH 1 DISPLAY PWB ASM IN DISP Z P NO 6871A00085 HOLSINHAHL HOOONI v8000V1289 ON d WSSV V28206V0289 ON d Z dSIA NO L CN DISP 1 eril EI z 2 COMP DEN I1 van gt ven HERM T or SUB PWB ASM UNTREMOTE P NO 6871A00086 ESAVER 2 5 FAN FDEFO DREDRIVSEWS CTO WY Re CAPACITOR CNTHERMO _ 000 T _ d 1 ri 1 1 1
66. ng Drill two 1 8 inch holes in each side of the wall sleeve as shown in Figure 45 using the leveling leg assembly as a template Locations near the front of the sleeve provide more support 2 Adjust the leveling legs to the approximate height needed and install them on either side of the wall sleeve using the screws provided Bottom of wall sleeve can be anywhere from three to five inches above the screw base Caulk around screws to prevent water leaks Level the sleeve horizontally from side to side Provide slight slope one quarter bubble in the sight glass toward the outside Check the level again after the unit has been installed Adjust the legs as needed Figure 45 Leveling Leg Assembly Leveler Bracket 1 2 Speed Grip Nut Adjuster Screw NOTES 1 Two leveling legs are supplied in each kit 2 One kit is required per unit 3 Fout mounting screws are provided in each kit Installation on Wall Sleeve 1 3 Drill four 1 8 inch diameter holes in the wall sleeve two on each side using the leveling legs as a template Caulk around screws to prevent water leaks Attach the legs to the wall sleeve using the screws provided Adjust the leveling legs to level the wall sleeve from side to side and provide a slight pitch to the outside one quarter bubble in sight glass Figure 46 Leveling Leg Installation on Wall Sleeve 1 8 Diameter holes four required per uni
67. nobs are not available ENERGY SAVER The energy saver switch 2 is on This switch is set at continuous fan to provide continuous fan operation in cool or heat modes When the switch is off the continuous fan allows continuous circulation of room air and make the more balanced temperature of the room When the switch is on the fan is on or off with the compressor or with the heater FRONT DESK CONTROL When the pair wire is connected to the connector LOand LI the unit can be turned ON or OFF with a switch located at the Front Desk Control panel When the front desk switch is ON the fan operate according to the condition of setting without working compressor and heater When the front desk switch is OFF the unit can operate according to the setting of controls Wire AWG Maximum Length 22 600ft 180m 20 900ft 270m 118 1500ft 450m 116 2000ft 610m 000 LO LI Y C Front Desk Switch REMOTE WALL THERMOSTAT When the wires are connected the unit will be controlled by a remote wall thermostat The thermostat connections supply the 24 Volt When you install the digital electronic thermostat you must set it to the 24 Volt AC See the installation Instruction in this manual for the Remote Wall Thermostat 24 Volt N 24 Volt L Compressor Heater Reversing Valve High Fan Low Fan LO LI GL GH O Y R C Mo
68. nsions are essential to avoid the necessity of rework fillers framing moving electrical outlets and other expensive modifications For existing construction it is important that carpentry masonry and electrical work be performed by competent qualified personnel Since installations in existing construction may involve removal of building material from the structure locating the wall case must be done correctly 22 3 2 2 PREPARATION OF THE FRONT GRILLE Carefully remove shipping tape from the front grille j 5 YO SE YG c Shipping Tape Brick Frame Stucco and Shingle Construction For new construction the opening for the wall case should be framed and the wall case inserted into the opening during construction Lintels should be used when the building material is heavy and is not self supporting such as brick The wall case will fit an opening of six courses of standard brick or five courses of jumbo brick Wall framing in this type construction is normally on 16 centers and the wall case will fit a framed opening spanning three 16 O C 2 x 4 stud Spaces For existing construction the indoor and outdoor wall will need to be cut out allowing for clearances of 1 8 on all sides of the wall case Work should begin on the inside wall Cut the correct dimensions and mark using drill holes the outside wall from each corner of the inside cutout Studding that interferes with the opening must
69. ntrol knobs Fuse Holder Kit Installation With Subbase See previous section for installation in the control panel 1 Remove both knockouts at the fuse holder location Figure 52 2 Install the fuse holders using screws provided The side connector tab on the fuse holders should be towards the left 3 Connect a stripped BK 9 wire to the center of the quick connect tab of the fuse holders Wire nut the other end of this wire to the black field connection wire TB1 Figure 53 4 Connect the other stripped BK 9 wire to the quick connect tab on the side of the same fuse holder Wire nut the other end to black subbase wire leading to receptacle Figure 53 Figure 51 Fuse Holder Diagram Control Panel Installation FUSEHOLDERS WH A SD LJ A rl El gI L Terminal Blocks Behind the Control Panel Fan Control Knobs a 0 Cer ransiormel SW O one Ext2 Ext 1 Status Light Fuse Control Board 5 Connect the stripped RD 9 wire to the center quick connect tab of the second fuse holder Wire nut the other end to the red field connection wire T
70. ric Heat 12 12 000 Btu h Electric Heater 15 15 000 Btu h Digit 8 D Digital M Mechanical Digit 9 Electric Voltage 1 265V 60Hz None 230V 60Hz Models LPO70CED1 LPO90CED1 LP120CED1 LP150CED1 Cooling Capacity W 2227 2608 3458 4103 Btu h 7600 8900 11800 14000 Heating Capacity W Btu h Electric Heatier Capacity W 2000 3700 3700 3700 Power Input Cooling Heating W 650 810 1105 1475 Running Current Cooling Heating A 2 6 3 2 4 4 5 8 Starting Current Cooling Heating W W 3 42 3 2 3 12 2 7 Btu h W 11 7 11 0 10 7 95 W W Power Supply OIVIHz 1 265 60 1 265 60 1 265 60 1 265 60 Air Flow Rate Indoor miG min cfm 8 5 300 8 5 300 12 0 420 12 0 420 Outdoor Max ImG min cim Moisture Removal Ih 0 9 1 2 1 5 2 0 Sound Level Indoor H M L dB A 3 45 43 45 43 49 47 49 47 Outdoor Max dB A 3 60 58 60 58 63 61 63 61 Refrigerant amp Charge 0 02 R22 645 22 8 R22 690 24 3 R22 680 24 0 R22 650 22 9 Compressor Type Rotaty Non Tropical Rotaty Non Tropical Rotaty Non Tropical Rotaty Non Tropical Model 2R9S276A6A 2R12S276A6B 2P16S276A1A 2K20S276A6A Motor Type PSC PSC PSC PSC Oil Type ATMOS M60 SUNISO 4GDID ATMOS M60 or SUNISO 4GDID ATMOS M60 or SUNISO 4GDID ATMOS M60 or SUNISO 4GDID Oil Charge CC 260 290 270 410 OLP Name Internal Internal Internal Internal Fan Type In Out Cross Flow Fan Axial Fan Cross Flow Fan Axial Fan Cross Flow Fan Axial Fan
71. subbase is installed the drain may a minimum of 3 1 2 from the front flange of the wall sleeve The minimum clearance should provide adequate clearance for the subbase see Figures 43 and 44 Cut out the template in the lower right hand corner of these instructions to locate the field drilled holes Two to mount the plate and one for the Outdoor drain fitting See Detail A on how the components have to be installed after the holes are drilled in the bottom of the wall sleeve If the drain fitting is not connected to an indoor drainage system immediately after the wall sleeve is installed it must be plugged with a cork to prevent indoor water damage in case it rains An indoor tube or hose furnished by others must be installed on the drain fitting and interconnected to the drain system inside of the building Install the two blank off plates and gaskets on the outdoor portion of the wall sleeve as shown in Figure 43 These components may be installed after the sleeve is secured in the wall opening just prior to the installation of the condenser grille and chassis Figure 44 eht naain etek sinen el MDC nec 500 Dia DY of Mtg oo A iau 156 Dia Min Mtg Holes 2 Dim Notto Inside Edge of Front Sleeve Flange Leveling Legs Part No AYLL101 Description Leveling l
72. t field drilled 36 Hard Wire Kit Part No AYAGALAO1 Description Hard Wire Junction Box Direct Wire Sub Base The hard wire junction box kit is used to hard wire the unit when it is not desirable to use the standard unit subbase or the unit power cord The junction box provides a protected enclosure for electrical connections as required by some electrical codes The hard wire junction box is intended to be mounted on the floor or the adjacent wall The junction box is furnished with approximately 2 1 2 feet of 1 2 inch flexible steel conduit and metal box for securing the conduit to the unit cabinet at the incoming power opening An optional 230 208V or 265V power switch assembly is available for use with the hard wire junction box or subbase The switch provides POWER ON OFF function at the unit as required by some electrical codes A replacement junction box cover plate is provided with each switch kit For additional information refer to the Power Switch Installation Instructions Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt Unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of this equipment should performed by qualified experienced technicians Junction Box
73. ut procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Figure 51 Standard Escutcheon 7 rj E SAVE e F1 LOW FAN HIGH F2 HIGH TEMP TIME COOL LOW TIMER ROM A REMOTE LOCATION FR UNIT IS CONTROLLED F Figure 55 1 Grasp the cabinet front as shown in Figure 55 2 Pull the bottom of the cabinet front away from the chassis until the retaining clips disengage as in Figure 56 3 Lift the cabinet front off the chassis 4 Lifting the front edge of the escutcheon slide the tabs at the top of the escutcheon out of the retaining holes and remove the escutcheon See Figure 57 Figure 56 41 5 Replace the escutcheon with the one from this kit by inserting the tabs at the top of the escutcheon into the retaining holes and laying the escutcheon flat on the control panel Replace the front by reversing steps 1 through 4 Store the control knobs escutcheon just removed from the unit for possible reinstallation if the wall thermostat is no longer desired Figure 57 Escutcheon Subbase Part No AYSB3101 265V 20A AYSB4101 265V 30A 5 918 11 Description The subbase may be installed on the wall slee
74. ve before or after installing the wall sleeve The subbase is prewired Electrical connections can be made on the left side after the access cover is removed A grounding screw is provided Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt The unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit CAUTION Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors may result in equipment damage Note When using a subbase the wall sleeve must be installed a minimum of 3 1 4 inches 83 mm above a finished floor and a minimum of 2 3 4 inches 70 mm from a finished wall Remove parts B and C Figure 58 next page from the subbase and join to

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